Home / 993,879.72-1,371,193.79-563,910.80

Finding the Fourth Proportional to 993,879.72, 1,371,193.79 and 563,910.80

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Solution

The fourth proportional to 993,879.72, 1,371,193.79 and 563,910.80 is: 777,992.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,879.72 : 1,371,193.79 = 563,910.80 : x
  2. Step 2: Convert to fraction form
    993,879.72/1,371,193.79 = 563,910.80/x
  3. Step 3: Cross multiply
    993,879.72x = 1,371,193.79 × 563,910.80
  4. Step 4: Simplify right side
    993,879.72x = 773,230,977,398.41
  5. Step 5: Solve for x
    x = 773,230,977,398.41/993,879.72
  6. Step 6: Final answer
    x = 777,992.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.